Postgraduate Project Topics, Thesis and Dissertation
9781. Design And Implementation Of Feedback Linearization Based Adaptive Stabilizing Controller Coupled With Fuzzy Logic Swing-up For Pendulum On A Cart
This thesis address an adaptive stabilizing controller for inverted pendulum on arncart based on feedback linearization coupled with an adaptive fuzzy logic basedrnswing up controller. First feedback linearizing control signal is derived by decomposingrnthe system into cart subsystem and pendulum...
9782. Comparative Analysis Of Pid And Fuzzy Logic Controller For Induction Motor Speed Control
Induction motor (IM) is the most rigid, and relatively less expensive machine but much difficultrnto control. The advent of field-oriented control (FOC) makes IM useful in variable speed drivernapplications. The concept of FOC is to separate the torque and flux producing current and thenrncontrol...
9783. Optimal Controller For Steam Boiler Drum Water Level Control Using Neural Network Estimator And Lqr
The water level of boiler drum is one of the crucial control parameters for any processrnindustries, which reflects the control of mainly boiler load and feed water indirectly. Thernincreasing demand for rapid changes in industries leads to more uncompromisingrnrequirements on the control systems...
9784. Linear Induction Motor Vector Control System Based On Fuzzy Logic Controller
Linear induction motors (LIM) are special developments of conventional induction motors.rnconceptual construction principle of a motor is, made by cut out and laid flat rotational inductionrnmotors (RIM). The motor is used for a variety of demanding applications, including high speedrnground...
9785. Optimal Controller Design For Wind Turbine System Using Dynamic Programming
Now a days, many researchers are focusing on renewable energy sources due to the fact thatrnthe cost of fuel is growing up in day to day activity and to decrease or limit environmentalrneffects.Wind energy is one of the fastest growing up energy source due to its cost effectivenessrnand...
9786. Study On Power Transfer Capability And Voltage Stability Improvement Using Static Var Compensator Case Study Holeta 500 400 Kv Substation
Voltage stability is a major concern while planning and operating an electrical powerrnsystem. As electrical power demand increases, power system networks should be used inrnmaximum of their capacity to meet the demand growth. In such case Flexible ACrnTransmission System (FACTS) can be used so...
9787. Study On Labor Based Contracts In Ethiopian Construction Industry The Case Of Bc3 And Above Selected Building Contractors Around Addis Ababa
The construction industry in Ethiopia is faced with a lot of challenges ranging from projectrninception to hand over one of the main challenge in the execution of construction projects isrnconstruction method of delivery and an ever increasing project undertakings of labor-onlyrncontract and...
9788. Assessment Of Pedestrians Road Crossing Behavior On Selected Road Segments In Addis Ababa
The injuries and fatalities of pedestrians increases time to time in Ethiopia. This is due to eitherrnhuman, environmental, or engineering factors. The interaction between drivers and pedestrians hasrna great role to minimize accidents. However, the illegal crossing and movement of pedestrians...
9789. Study On Risk Management Practice In Selected Addis Ababa 1090 2080 Condominium Projects
The research deals with the assessment of risk management practice in selected Addis Ababarn10/90 and 20/80 condominium projects. The objectives of the research was to identify riskrnmanagement practice in Addis Ababa condominium projects, to identify the key risks causingrncost overrun, time...
9790. Investigating The Factors That Affect The Quality Of River Sand In The Outskirts Of Woldia Town
Concrete is the widely used construction material made up of different constituents whichrnlater determine the property of final products. Since about 75% of the concrete matrix isrnmade up of aggregate particles, the properties and strength of concrete is mainly affected byrnthe nature and...
9791. Prefabrication Construction As An Alternative Structural Frame Construction Method For 4060 Housing Projects In Addis Ababa A Case Study On Megenagna Site
t can be easily noticed how there are numerous defects in almost all of the concrete buildings inrnEthiopia. Anyone who works in the construction industry would have witnessed poor quality of workrnin several projects. If such a person has an engineering and construction management background,rnthe...
9792. Characterization And Use Of Sewage Sludge Ash As Supplementary Cementitious Material For Concrete
Disposal of sewage sludge is becoming a serious environmental problem. Thernincineration process is able to reduce the volume of sewage sludge. It is not a properrnsolution, so the sewage sludge ash generated after the incineration process, and itrnmust be disposed to landfill. The general...
9793. Production Of Lactic Acid From Sugarcane Bagasse
Fossil fuel based plastic raw materials are not renewable which in questioned their sustainabilityrnas well as the plastic products of these raw material is sources of an overwhelmingrnenvironmental problem due recalcitrant to degradation. Hence, there is an urgent need towardrnbio-based plastics...
9794. Parametric Optimization And Characterization Of Ferulic Acid Produced From Brewery Spent Grains
The utilization of agro-industrial wastes for the extraction of natural antioxidants such as Ferulicrnacid is currently getting a growing interest by the researchers around the world. This researchrnstudy, therefore, aims at optimizing and characterizing the Ferulic acid extracted from...
9795. Assessment Of Photo-fenton Process For The Removal Of Pesticide From Wastewater
The main purpose of this work was to study assessment of photo-Fenton process (Fern/H2O2/UV)rnfor the removal of pesticide from wastewater. Synthetic wastewater from...
9796. Synthesis Process Parameters Optimization And Characterization Of Banana Peel Based Bio-plastic
In this study, a small scale laboratory bioplastic was synthesized and investigated using bananarnpeel as raw material. The effect of HCL concentrations, concentrations Glycerol, dryingrntemperature and residence time for hydrolysis were analyzed. Design of experiment for responsernsurface...
9797. Synthesis Of Cetyltrimethylammonium Chloride Ceramic Membrane Impregnated With Tio Removal Of Hexavalent Chromium(vi) Synthesis Of Cetyltrimethylammonium Chloride Coated Diatomite Impregnated With Tio2 Nanoparticles Diatomit
In this study, manufacture of ceramic membranes modified by nanomaterials (Tio2) and CTAC wasrndone. Materials were synthesized by the application of the sol-gel method with respective amountsrnmeasured in the molar ratio of Ti: Ethanol: HCL: H2O as 1:15:0.3:5. The coating of Tio2 was done byrntwo...
9798. Production Of Bioethanol From Brewery Spent Grain Using Cellulase Enzyme Hydrolysis
Bioethanol is a clear, colorless and mobile flammable liquid chemical compound with acceptablernodour, and produced from biomass feed stocks through fermentation. The objective of this studyrnwas production of bioethanol from Barley spent grain by using cellulase enzyme hydrolysis.rnDecreasing of...
9799. Color Medical Image Edge Detection Based On Higher Dimensional Fourier Transforms Applied In Diabetic Retinopathy Studies
Various edge detection techniques for color images that have been proposed in the last tworndecades showed that color images contain 10% additional edge information as compared to theirrngray scale counterparts. For color image edge detection, the traditional methods used for...
9800. Investigation On Mineral Characterization Of Powder Injera
Injera is a fermented, sour bread consumed as a staple food in Ethiopia and Eritrea. The breadrncan be prepared from various cereals but tef [Eragrostis tef (Zucc.) Trotter] is the mostrnpreferred ingredient. A deep study on its inherent characteristics related to processing of injerarnis needed...
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